"Redirect pages",
"version" => "0.3.1",
"author" => "Starbeamrainbowlabs",
"description" => "Adds support for redirect pages. Uses the same syntax that Mediawiki does.",
"id" => "feature-redirect",
"code" => function() {
global $settings;
register_save_preprocessor("update_redirect_metadata");
$help_html = "$settings->sitename supports redirect pages. To create a redirect page, enter something like # REDIRECT [[pagename]] on the first line of the redirect page's content. This must appear as the first line of the page, with no whitespace before it. You can include content beneath the redirect if you want, too (such as a reason for redirecting the page).
";
if($settings->redirect_absolute_enable == true) $help_html .= "$settings->sitename also has absolute redirects enabled (e.g. if you want to make your main page point to the all pages list). To make a page an absolute redirect page, enter the following on the first line: # REDIRECT [all pages](?action=list). This example will cause the page to become a redirect to the all pages list. Of course, you can change the ?action=list bit to be any regular URL you like (relative or absolute)
";
// Register a help section
add_help_section("25-redirect", "Redirect Pages", $help_html);
}
]);
/**
* Updates the metadata associated with redirects in the pageindex entry
* specified utilising the provided page content.
* @package redirect
* @param object $index_entry The page index entry object to update.
* @param string $pagedata The page content to operate on.
*/
function update_redirect_metadata(&$index_entry, &$pagedata) {
$matches = [];
if(preg_match("/^# ?REDIRECT ?\[\[([^\]]+)\]\]/i", $pagedata, $matches) === 1)
{
//error_log("matches: " . var_export($matches, true));
// We have found a redirect page!
// Update the metadata to reflect this.
$index_entry->redirect = true;
$index_entry->redirect_target = $matches[1];
$index_entry->redirect_absolute = false;
}
// We don't disable absolute redirects here, because it's the view action that processes them - we only register them here. Checking here would result in pages that are supposed to be redirects being missed if redirect_absolute_enable is turned on after such a page is created.
elseif(preg_match("/^# ?REDIRECT ?\[[^\]]+\]\(([^)]+)\)/", $pagedata, $matches) === 1) {
$index_entry->redirect = true;
$index_entry->redirect_target = $matches[1];
$index_entry->redirect_absolute = true;
}
else
{
// This page isn't a redirect. Unset the metadata just in case.
if(isset($index_entry->redirect))
unset($index_entry->redirect);
if(isset($index_entry->redirect_target))
unset($index_entry->redirect_target);
if(isset($index_entry->redirect_absolute))
unset($index_entry->redirect_absolute);
}
}
?>